Finding the Third Proportional to 3,364.50 and 7,979.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364.50 : 7,979.25 = 7,979.25 : x
2. Step 2: Convert to fraction form
   3,364.50/7,979.25 = 7,979.25/x
3. Step 3: Cross multiply
   3,364.50x = 7,979.25 × 7,979.25
4. Step 4: Simplify right side
   3,364.50x = 63,668,430.56
5. Step 5: Solve for x
   x = 63,668,430.56/3,364.50
6. Step 6: Final answer
   x = 18,923.59